2101100219984 has 20 divisors (see below), whose sum is σ = 4180905506484. Its totient is φ = 1022156863488.

The previous prime is 2101100219969. The next prime is 2101100220007. The reversal of 2101100219984 is 4899120011012.

It can be written as a sum of positive squares in 2 ways, for example, as 1395063352384 + 706036867600 = 1181128^2 + 840260^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1774577297 + ... + 1774578480.

Almost surely, 2^{2101100219984} is an apocalyptic number.

It is an amenable number.

2101100219984 is a deficient number, since it is larger than the sum of its proper divisors (2079805286500).

2101100219984 is a wasteful number, since it uses less digits than its factorization.

2101100219984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3549155822 (or 3549155816 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 38.

The spelling of 2101100219984 in words is "two trillion, one hundred one billion, one hundred million, two hundred nineteen thousand, nine hundred eighty-four".